Related Manuals for Viessmann AWHO 351.A14
Summarization of Contents
Safety Instructions
Safety Instructions Explained
Explanation of warning symbols and their meanings for hazard identification.
Regulations to be Observed
Key national and trade association regulations for installation and use.
Safety Instructions for Working on the System
Precautions for safe handling of components and system maintenance.
Safety Instructions for Operating the System
Actions and precautions for water leaks and potential operational hazards.
Information
Symbols
Explanation of symbols used throughout the manual for clarity.
Intended Use
Details on the appliance's specific applications and operational limitations.
Product Information
Overview of the product's layout, hydraulics, and control unit.
Installation Preparations for Heat Pumps Installed Indoors
Requirements for On-Site Connections
Specifications for connecting the indoor unit to site utilities.
Requirements for Transport and Siting
Guidelines for safely moving and positioning the indoor unit.
Minimum Clearances and Dimensions
Required space and wall opening dimensions for installation.
Installation Preparations for Heat Pumps Installed Outdoors
Requirements for On-Site Connections
Specifications for connecting the outdoor unit to site utilities.
Transport and Siting
Guidelines for safely moving and positioning the outdoor unit.
Foundations
Requirements for the base structure supporting the outdoor unit.
Installation Sequence
Removing the Transport Brackets
Procedure for detaching transit securing components.
Fitting the Outer Panels
Step-by-step guide for attaching the unit's external casing.
Making the Hydraulic Connections
Steps for connecting water pipes and ensuring leak-free operation.
Electrical Connections: Control Panel
Opening the Control Panel
Instructions for accessing the appliance's control panel.
Overview of Electrical Connections
Diagram showing electrical component layout within the control panel.
Routing Cables/Leads to the Control Panel
Guidance on safely routing electrical wires to the control panel.
Electrical Connections: Heat Pump Control Unit
Fitting the Heat Pump Control Unit
Steps for installing the main control unit and its components.
Attaching Cables from the Control Panel
Procedure for connecting cables from the control panel to the unit.
Inserting the Coding Card
Instructions for installing the coding card for system configuration.
Main PCB (Operational Components 230 V~)
Details on the main printed circuit board and its functions.
Power Supply
Isolators for Non-Earthed Conductors
Guidelines for installing power isolators and safety measures.
Heat Pump Control Unit Power Supply 230 V~
Specifications for connecting the 230V supply to the control unit.
Compressor Power Supply 400 V~
Connection details for the 400V supply to the compressor.
Phase Monitor (if installed)
Function and operation of the phase monitoring device.
Commissioning, Inspection, and Maintenance
Steps - Commissioning, Inspection, and Maintenance
Overview of the procedures for initial setup, checks, and upkeep.
Checking the Refrigerant Circuit for Leaks
Procedures for detecting leaks in the refrigerant system.
Filling and Venting on the Secondary Side
Steps for filling and purging air from the secondary water circuit.
Commissioning the System
Configuration and parameter settings for system operation.
Troubleshooting
Overview of Sensors, Drain, and Air Vent Valves
Identification and function of key sensors and valve components.
Check Fuses
Procedure for inspecting and replacing fuses for electrical safety.
Specification
Technical Data for Indoor Units
Performance and electrical specifications for AWHI models.
Technical Data for Outdoor Units
Performance and electrical specifications for AWHO models.
Appendix
Heat Pump Commissioning Order
Form for ordering professional commissioning services.
Declaration of Conformity
Statement of compliance with European directives and national requirements.
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